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ip: xfrm: add espintcp encapsulation 

While at it, convert xfrm_xfrma_print and xfrm_encap_type_parse to use
the UAPI macros for encap_type as suggested by David Ahern, and add the
UAPI udp.h header (sync'd from ipsec-next to get the TCP_ENCAP_ESPINTCP
definition).

Co-developed-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Sabrina Dubroca 2020-01-19 11:32:09 +01:00 committed by David Ahern
parent 4df5ad933c
commit 22aec42679
3 changed files with 13 additions and 7 deletions
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14
ip/ipxfrm.c
View File

@ -34,6 +34,7 @@
#include <netdb.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/udp.h>
#include "utils.h"
#include "xfrm.h"
@ -753,12 +754,15 @@ void xfrm_xfrma_print(struct rtattr *tb[], __u16 family,
fprintf(fp, "type ");
switch (e->encap_type) {
case 1:
case UDP_ENCAP_ESPINUDP_NON_IKE:
fprintf(fp, "espinudp-nonike ");
break;
case 2:
case UDP_ENCAP_ESPINUDP:
fprintf(fp, "espinudp ");
break;
case TCP_ENCAP_ESPINTCP:
fprintf(fp, "espintcp ");
break;
default:
fprintf(fp, "%u ", e->encap_type);
break;
@ -1208,9 +1212,11 @@ int xfrm_encap_type_parse(__u16 *type, int *argcp, char ***argvp)
char **argv = *argvp;
if (strcmp(*argv, "espinudp-nonike") == 0)
*type = 1;
*type = UDP_ENCAP_ESPINUDP_NON_IKE;
else if (strcmp(*argv, "espinudp") == 0)
*type = 2;
*type = UDP_ENCAP_ESPINUDP;
else if (strcmp(*argv, "espintcp") == 0)
*type = TCP_ENCAP_ESPINTCP;
else
invarg("ENCAP-TYPE value is invalid", *argv);

2
ip/xfrm_state.c
View File

@ -130,7 +130,7 @@ static void usage(void)
"LIMIT-LIST := [ LIMIT-LIST ] limit LIMIT\n"
"LIMIT := { time-soft | time-hard | time-use-soft | time-use-hard } SECONDS |\n"
" { byte-soft | byte-hard } SIZE | { packet-soft | packet-hard } COUNT\n"
"ENCAP := { espinudp | espinudp-nonike } SPORT DPORT OADDR\n"
"ENCAP := { espinudp | espinudp-nonike | espintcp } SPORT DPORT OADDR\n"
"DIR := in | out\n");
exit(-1);

4
man/man8/ip-xfrm.8
View File

@ -207,7 +207,7 @@ ip-xfrm \- transform configuration
.ti -8
.IR ENCAP " :="
.RB "{ " espinudp " | " espinudp-nonike " }"
.RB "{ " espinudp " | " espinudp-nonike " | " espintcp " }"
.IR SPORT " " DPORT " " OADDR
.ti -8
@ -548,7 +548,7 @@ sets limits in seconds, bytes, or numbers of packets.
.TP
.I ENCAP
encapsulates packets with protocol
.BR espinudp " or " espinudp-nonike ","
.BR espinudp ", " espinudp-nonike ", or " espintcp ","
.RI "using source port " SPORT ", destination port " DPORT
.RI ", and original address " OADDR "."